var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var ejs =require('ejs');

var index = require('./routes/index');
var email = require('./routes/email.js')
var content = require('./routes/content.js')

var app = express();


app.all('*', (req, res, next) => {
  const origin = req.headers.origin;
  res.header('Access-Control-Allow-Origin', origin);
  res.header('Access-Control-Expose-Headers', 'Set-Cookie');
  res.header('Access-Control-Allow-Headers',  'Content-Type,withCredentials,hasLogin,studentNumber, Content-Length, Authorization, Accept, X-Requested-With , yourHeaderFeild');
  res.header('Access-Control-Allow-Credentials', 'true');
  res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, OPTIONS, DELETE');
  res.header('Access-Control-Max-Age', '1728000');
  next();
});


// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.engine('.html',ejs.__express);
app.set('view engine', 'html');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', index);
app.use('/email', email);
app.use('/content', content);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
